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March 26, 2013
PCI Introduces Historical Air Photo Processing Workflow

RICHMOND HILL, Ontario, Canada, March 21, 2013—PCI Geomatics, a world-leading developer of remote sensing and photogrammetric software and systems, announced today that it has introduced the Historical Airphoto Processing Workflow, also known as HAP.

The HAP workflow was designed to work with historical airphotos, providing a semi-automated means to align, orthorectify, and mosaic from hundreds to thousands of digitally scanned airphotos. The system can greatly reduce manual labor, double throughput, and achieve high accuracy.

PCI is introducing the HAP workflow as part of its new Production Workflows, which provide out-of-the-box automation designed for specific applications. The HAP workflow takes this one step further by providing customers with a pre-built semi-automated solution, training, and on-site customization, as may be required. This way, customers are up and running quickly with a powerful solution.

“We developed the HAP workflow in response to a need for a solution to correct large volumes of historical airphotos – some libraries have holdings in excess of several millions of airphotos,” said David Piekny, Product Manager at PCI Geomatics. “The HAP workflow provides organizations throughout the world a new method to preserve, and put into operational use, their valuable historical airphotos. By correcting the imagery, and making it available in modern GIS and Image Processing software environments, users can benefit from multi-year image analysis, tracking changes that have occurred across the landscape.”

The HAP workflow leverages multi-pass processing and automated ground control and tie point collection, producing an accurate math model that can be used to produce individual orthos or seamless ortho-mosaics from hundreds or thousands of airphotos; even without camera calibration files. The system is built with PCI’s proven Geomatica technology and can be scaled to meet all requirements for historical airphoto correction.

For more information on the Historical Airphoto Processing (HAP) Workflow, visit:

About PCI Geomatics

PCI Geomatics is a world-leading developer of software and systems for remote sensing, imagery processing, and photogrammetry.  With more than 30 years of experience in the geospatial industry, PCI is recognized globally for its excellence in providing software for accurately and rapidly processing both satellite and aerial imagery.  PCI has installed more than 30 thousand licenses, in over 150 countries worldwide. Find out more about PCI Geomatics at

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